Shifting device for piers, &amp;c.



No. 702,393. Patented June 17, I902. w. n. BALDWIN & A. SUNDH.

SHIFTING DEVICE FOR PIERS, &C-

(Application filed Dec. 17,4901.

(No Model.)

INVENTORS I 5' f QZJM ATTORNEYS UNITED STATES PATENT OFFICE.

WILLIAM D. BALDWIN, OF NEW YORK, AND AUGUST SUNDI OEYONKERS, NEW YORK, ASSIGNORS TO T S ELEVATOR OOMPANY, OF EAST ORANGE, NEW JERSEY,'A CORPORATION OF NEW JERSEY.

SHIFTING DEVICE FOR PIERS, 800.

SPECIFICATION forming part of Iletters Patent No. 702,393, dated June 17 1902. Application filed December 17, 1901. Serial No. 86,335. (No model.)

To all whom it mag/concern.- in difierent ways; but, as showmanarm 82 o Beit known thatWe,W ILLIAM D. BALDWIN, extends from the frame R to a lever 83, pivresiding in the cityand county of New York, oted to a standard 84, and two rods 85 86 exand AUGUST SUNDH, residing at Yonkers, in 'tend from the opposite ends ofthe lever up- 5 the county of Westchester,State of New York, ward through the cap 9 andterminate in footcitizens of the United States, haveinvented pieces 87 S8. Springs 89 tend to lift the rods certain new and usefullmprovementsin Shift 85 86 when either is depressed, soar; to noring Devices forPiers, &c.,'of which the followmally maintain the parts in thepositions ing is a specification. shown in Fig. 1 with the driving-pinions out I0 Our invention relates to capstans, and esof contact with the disk. By depressing one pecially to an arrangement of capstansin con-f or the other of the footpieces 87 88 the frame nection withthe footwayof apier or embankof the motor may be swung to bring one or ment, whereby it may be used as a means for the other Ofthe driving-pinions into frictional shifting loads or vessels; and our invention engagement with the disk. When the parts 15 consistsina construction whereby the capstan are in the positions shown in Fig.1, the capmay be driven from a motor,- and especially Stan is free to turn under the draft upon the an electric motor rotated in one direction, as rope wrapped around it. I fully set forth hereinafter and as illustrated In Order to vary the speed of rotation of the in the accompanying drawingsfin whichcapstan, we make useof any suitable means 20 Figure 1 is a sectional elevation showing a for shifting the pinions 1O 12 upon the shaft vault below a footway and a capstan and op- 3. As shown, each pinion is provided with a erating devices; and Fig. 2 is a plan view,in hub having an annular groove receiving a part section, illustrating the arrangement of fork, (shown as ashifter-rod 90,) theflatter be the parts within the vault below the cap of ing. connected to a lever S, extending through 25 the same. I an opening in the cap 9 of the vault. By ad- The capstan B is arranged above the footjusting the driving-pinion, whichever it may way or pavement A, a portion of which conbe, when it is shifted by means of the lever S, stitutes the roof or cover 9 of a vault X bethe speed of movement imparted to the disk neath the pavement and in which the operat- 40 may be regulated as desired.

0 ing parts are arranged. The shaft 7 of the While the motorM may be of any suitable capstan extends through the roof and carries character, we prefer to make use of an asyn- So at the lower end a driving-disk 40. Below the chronous alternating-current motor with rodriving-disk 4:0 is arranged a motor-engine M, tary field wound upon the stator and short which is provided with trunnions 81, turning circuited armature or rotor. The motor may 3 5 in standards 80, and having aframe R, which be wound, to operate upon either a single or supports thebearings of the armature-shaft multiphasesystem, we having shown a three- 8 5 3, the latter carryingtwo pinions 1O 12, which phase motor, the rotary field of which may be turn with but can slide on the said shaft. ,The included in the secondary 100 of the transmotor M is of a character to rotate in onediformer 101 by a suitable main switch 102.

40 rection only, and one purpose of this inven- Another switch 103 controlsthe starting and tion is to enable such a motorto be eifectively stopping of the motor, and from this switch employed, avoiding the necessity of the usual conductors 104: lead to suitable binding-posts reversing switches or devices, and in order to 105, connecting with the field-windings. impart rotation in different directions to the While we have shown an arrangement to be 45 capstan B the motor-frame is supported on used in connection with piers and embanktrunnions, as described, so that it may be ments,itwill be evidentthat some of the parts swungto bring either of the pinions 10 or 12 above described may be used in connection into frictional engagement with the disk 40. with capstans arranged on ships.

This swinging of the motor may be effected Without limiting ourselves to the precise construction and arrangement of parts shown, we claim as our invention- 1. The combination with a capstan, and its shaft, of a driving-disk upon the said shaft, a motor provided with a shaft supporting pinions on opposite sides of the shaft of the capstan, and means for swinging the motor to bring one or the other of the pinions into frictional engagement with the disk,substantia1ly as set forth.

2. The combination with a capstan, and its shaft, of a driving-disk upon the said shaft, a motor provided with a shaft supporting pinions on opposite sides of the shaft of the capstan, means for swinging the motor to bring one or the other of the pinions into frictional engagement with the disk, and means for shifting the pinions to Vary the speed imparted to the disk, substantially as set forth.

3. The combination with a capstan,its shaft, and disk, of a motor adapted to turn in one direction only arranged below the disk and supported upon trunnions, a shaft extending to opposite sides and carrying pinions 10, 12, and means for rocking the motor to bring either pinion into frictional engagement with the disk, substantially as set forth.

4. The combination with a capstan, disk, motor arranged below the disk and provided with pinions 10, 12, of supports for the motor adapting it to swing therein, and means extending to a position adjacent to the capstan for swinging the motor, substantially as set forth.

5. The combination of a capstan, shaft, disk, and motor supported upon trunnions below the disk and provided With pinions 10, 12, rods extending upward to a position adjacent to the capstan, and connections between the rods and frame of the motor, whereby the motor may be swung by pressure upon the rods, substantially as set forth.

6. The combination with a capstan, disk, swinging motor provided with pinions, and devices for swinging the motor from a position adjacent to the capstan, of a device S arranged adjacent to the capstan and connected to shift the pinions in respect to the center of the disk, substantially as and for the purpose set forth.

In testimony whereof we have signed our names to this specification in the presence of two subscribing witnesses.

WILLIAM D. BALDVIN. AUGUST SUN DH. Witnesses:

W. H. BRADY, H. R. MARsDEN. 

